<h2>Answer:</h2>
Option B is correct.
B. start a chemical reaction
<h2>
Explanation:</h2>
Activation energy is the amount of energy that is needed to start a chemical reaction. To start a chemical reaction we have to provide this amount of energy. Different type of catalyst are used to lower the activation energy and catalyze the reaction.
To white things because it blends in
Your options where are they?
but I believe the correct answer for you would be Passive transport does not require ATP. I don't know your choices because you didn't post them.
but passive transport takes simple diffusion, facilitated diffusion, filtration, and osmosis. this is what it needs to form.
Cryptzoology is not considered a science, because some don't take it seriously, and scientists do not have a perfect explanation for it. So it is considered a psuedoscience.
Answer:
True.
Explanation:
There are large, frozen ice glaciers at the North and South poles.
